-- Copyright (c) Huoty, All rights reserved
-- Author: Huoty <sudohuoty@gmail.com>
-- CreateTime: 2019-05-21 17:54:17

local a, b, c = 1, 2
print(a, b, c)  --> 1, 2, nil

a, b = a+1, b+1, b+2
print(a, b)  --> 2, 3

a, b = b, a
print(a, b)  --> 3, 2

a, b, c = 0
print(a, b, c)  --> 0, nil, nil
